Ehhh, there are some games you cannot play at 250,000 or 350,000 volts. I appreciate your idea and I’m not an expert on these things.
I think it’s eminently doable; I am not at all clear on the economics. The upside is robustness. We should hang the sort of chaps who shoot at transformers, or sabotage dams or point lasers at aircraft or drive 40 in the left lane with their blinkers on.